Gurobi 5.0.1 (linux64) logging started Fri Nov 16 15:10:32 2012 Optimize a model with 1154 rows, 1122 columns and 4420 nonzeros Presolve removed 2 rows and 2 columns Presolve time: 0.06s Presolved: 1185 rows, 1120 columns, 5439 nonzeros Variable types: 0 continuous, 1120 integer (1120 binary) Found heuristic solution: objective 33.0000000 Root relaxation: objective 2.000000e+00, 742 iterations, 0.01 seconds Nodes | Current Node | Objective Bounds | Work Expl Unexpl | Obj Depth IntInf | Incumbent BestBd Gap | It/Node Time 0 0 2.00000 0 58 33.00000 2.00000 93.9% - 0s H 0 0 11.0000000 2.00000 81.8% - 0s H 0 0 3.0000000 2.00000 33.3% - 0s 0 0 infeasible 0 3.00000 2.00000 33.3% - 0s Cutting planes: Gomory: 2 Zero half: 10 Explored 0 nodes (2261 simplex iterations) in 0.09 seconds Thread count was 1 (of 16 available processors) Optimal solution found (tolerance 1.00e-04) Best objective 3.000000000000e+00, best bound 3.000000000000e+00, gap 0.0%